{"provider_url":"https://hatena.blog","version":"1.0","description":"\u4eca KONAMI LIFE \u7528\u306b Flash lite 1.1 \u3067\u4f5c\u3063\u3066\u308b\u30b2\u30fc\u30e0\u3067 Math.atan2 \u304c\u5999\u306a\u6319\u52d5\u3092\u3057\u307e\u3057\u305f\u3002 \u4f5c\u3063\u3066\u3044\u308b\u30b2\u30fc\u30e0\u306f\u3001\u30a4\u30e1\u30fc\u30b8\u7684\u306b\u306f\u7a7a\u4e2d\u30d6\u30e9\u30f3\u30b3\u307f\u305f\u3044\u306a\u611f\u3058\u3067\u3001\u68d2\u304c\u3042\u308b\u65b9\u5411\u306b\u624b\u3092\u4f38\u3070\u3057\u3066\u3064\u304b\u3080\u3001\u3068\u3044\u3046\u3082\u306e\u306a\u3093\u3067\u3059\u304c\u3001 \u68d2\u304c\u5de6\u306b\u3042\u308b\u6642\u3060\u3051\u6319\u52d5\u304c\u602a\u3057\u304f\u306a\u308a\u307e\u3057\u305f\u3002 \u3088\u304f\u3088\u304f\u8abf\u3079\u3066\u307f\u305f\u3089 Math.atan2( y, x ) \u306e x \u306b\u8ca0\u306e\u5024\u304c\u5165\u3063\u3066\u3044\u308b\u3068\u5999\u306a\u5024\u3092\u8fd4\u3057\u3066\u3044\u307e\u3057\u305f\u3002 \uff08Math.atan2 \u3068\u3044\u3046\u306e\u306f\u3001\u5ea7\u6a19\u304c\u539f\u70b9\u304b\u3089\u898b\u3066\u3069\u306e\u89d2\u5ea6\u306b\u3042\u308b\u304b\u3092\u30e9\u30b8\u30a2\u30f3\u3067\u8fd4\u3059\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002y \u3068 x \u306e\u9806\u756a\u3092\u3046\u3063\u304b\u308a\u9593\u9055\u3048\u308b\u4e8b\u304c\u591a\u3005\u3042\u308a\u307e\u3059\u3002\uff09 \u4f8b\u3048\u3070\u3053\u3093\u306a\u611f\u3058\u3002 y = -3\u2026","url":"https://grkt.hatenadiary.org/entry/20090227/1235765565","provider_name":"Hatena Blog","type":"rich","author_url":"https://blog.hatena.ne.jp/grkt/","categories":["\u643a\u5e2f","Flash","\u899a\u3048\u66f8\u304d"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgrkt.hatenadiary.org%2Fentry%2F20090227%2F1235765565\" title=\"Flash lite 1.1 \u3067 Math.atan2() \u306b\u5909\u6570\u3092\u4f7f\u3046\u3068\u5909\u306a\u5024\u304c\u8fd4\u3063\u3066\u304f\u308b - \u7f8a\u3092\u904b\u3076\u3001\u79c1\u3068\u5144\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"grkt","width":"100%","published":"2009-02-27 05:12:45","height":"190","image_url":null,"blog_title":"\u7f8a\u3092\u904b\u3076\u3001\u79c1\u3068\u5144","title":"Flash lite 1.1 \u3067 Math.atan2() \u306b\u5909\u6570\u3092\u4f7f\u3046\u3068\u5909\u306a\u5024\u304c\u8fd4\u3063\u3066\u304f\u308b","blog_url":"https://grkt.hatenadiary.org/"}